Sauchelli S, Bradley J, Cox J, England C, Perry R. Weight maintenance interventions for people with type 2 diabetes mellitus: a systematic review protocol. Syst Rev. 2020 Sep 12;9(1):210. doi: 10.1186/s13643-020-01467-7
Demeyin (Nuabor) WA, Frost J, Ukoumunne OC, Briscoe S, Britten N. N of 1 trials and the optimal individualisation of drug treatments: a systematic review protocol. Syst Rev. 2017 Apr 24;6(1):90. doi: 10.1186/s13643-017-0479-6
Poole WK, Pollack M, Rapoport I, Williams V, Koch MA, Rao AV, Bartel DA. Use of Multivariate Methods in Quantifying the Variability in the Perception of Neonatal Intensive Care Unit Characteristics in Nine Hospitals in the Washington, DC Area: the NIH-DC Initiative to Reduce Infant Mortality in Minority Populations in the District of Columbia. Interstat. 2002 Jan 1.